group 'com.apptreesoftware.barcodescan' version '1.0-SNAPSHOT' buildscript { repositories { jcenter() maven { url "https://maven.google.com" } } dependencies { classpath 'com.android.tools.build:gradle:2.3.3' } } rootProject.allprojects { repositories { jcenter() maven { url "https://maven.google.com" } } } apply plugin: 'com.android.library' apply plugin: 'kotlin-android' android { compileSdkVersion 25 buildToolsVersion '25.0.3' sourceSets { main.java.srcDirs += 'src/main/kotlin' } defaultConfig { minSdkVersion 16 targetSdkVersion 25 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } lintOptions { disable 'InvalidPackage' } } dependencies { compile 'org.jetbrains.kotlin:kotlin-stdlib-jre7:1.1.2-4' compile 'me.dm7.barcodescanner:zxing:1.9.8' compile 'com.android.support:design:25.4.0' }